EP2171364A2 - Système et procédé de chauffage de l'eau - Google Patents

Système et procédé de chauffage de l'eau

Info

Publication number
EP2171364A2
EP2171364A2 EP08799582A EP08799582A EP2171364A2 EP 2171364 A2 EP2171364 A2 EP 2171364A2 EP 08799582 A EP08799582 A EP 08799582A EP 08799582 A EP08799582 A EP 08799582A EP 2171364 A2 EP2171364 A2 EP 2171364A2
Authority
EP
European Patent Office
Prior art keywords
container
water
tank
air
manifold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08799582A
Other languages
German (de)
English (en)
Inventor
Teuns Erasmus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Penduline 2 Trading Pty Ltd
Original Assignee
Penduline 2 Trading Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Penduline 2 Trading Pty Ltd filed Critical Penduline 2 Trading Pty Ltd
Publication of EP2171364A2 publication Critical patent/EP2171364A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/133—Storage heaters
    • F24H9/136—Arrangement of inlet valves used therewith
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818—Arrangement or mounting of electric heating means

Definitions

  • This invention relates to a system for heating water and to a method of operating the system.
  • a pipe connecting the geyser to a remote discharge point for example a tap
  • a remote discharge point for example a tap
  • the pipe remains filled with warm water until this warm water has cooled off. The heat energy contained in the warm water in the pipe is therefore wasted.
  • This invention attempts to address at least partly the aforementioned problem.
  • This invention provides a system for heating water which includes a first container and a second container, an air-tight connection between upper ends of the first and second containers, each container including a respective water heating element, and a water outlet port and a water inlet port, a manifold which is operatively connected to the respective inlet and outlet ports of each container and which connects, in a controlled manner, the respective inlet port of each container to a pressurised source of cold water, and each container, at least in a respective upper volume thereof, and in the air-tight connection, containing a gas, and whereby cold water which is introduced into the first container via the manifold displaces gas via the airtight connection from the first container into the second container thereby to expel warm water from the second container through the respective outlet port.
  • the gas may be a mixture of air and water vapour .
  • the containers may be of any suitable shape to reduce heat loss from the container.
  • the manifold may be modular of construction and may include an inlet unit, which is connected to the inlet port of each container, and an outlet unit which is connected to the outlet port of each container.
  • the heating element of each container may be located in a the lower part of the container. A volume of water occurs in the containers when they are in use so that the respective heating elements are always immersed in water. Alternatively the heating element of each container may be located in a receptacle which is positioned inside the respective container and which has a discharge point which is higher than an upper surface of the respective heating element. It is preferred that the manifold delivers water directly to the respective receptacle. This helps to displace foreign matter from the element. Each container may also include a booster element for rapid heating of cold water introduced into the lower part of the container.
  • the system may include an electronic unit to control the operation of the manifold and of the electrically operated equipment of the system such as the respective heating elements and valves.
  • the electronic unit is preferably programmable.
  • Each container may be enclosed in a casing which contains a suitable thermal insulating material. Alternatively the first and second containers are enclosed together with the manifold and airtight connection inside the casing.
  • the casing may have a first connector port with which the water source is connected to the inlet unit, a second connector port with which 5 the outlet unit is connected to the distribution network, and a third connector port which connects the electrical components of the containers and of the manifold to the control unit.
  • a connector port may be provided for a manual valve to introduce air into or escape from the system.
  • a separate connector port may also be provided for a drain pipe.
  • Each outlet of the containers may include a ⁇ elongate, flexible member which extends D into an interior of the container and which is sealingly engaged at a first end to the container, and a member which is attached to an opposed second end of the member and which is buoyant so that the second end is positioned close to an upper surface of the body of water contained inside the container.
  • the pressurised source of cold water may be connected by a connector pipe at a 5 predetermined position to a distribution network of the warm water which has been sourced from the first or second containers so that the warm water can be pushed, using the pressure of the cold water, backwards into the first or second container.
  • a motion sensor and a heat sensor may be connected to the distribution network at a position which is adjacent to the outlet unit.
  • the water flowing from the source of cold water to the distribution network preferably flows !0 through a valve which is positioned in a connection pipe.
  • the valve is connected to the control unit which regulates the flow of cold water directly into the warm water distribution network via a connector pipe.
  • the system may include a valve with which air can be allowed to be introduced or allowed to escape from the system.
  • the valve allows air to be introduced or to escape through the air-tight connection and may be manually or electrically operable.
  • the control unit is preferably connected to the valve when the valve is electrically operable.
  • the invention further provides a method of operating, a water heating system which includes the steps of filling a first container with water, heating the water, causing cold water to flow into a second container which is air-filled, and transferring air displaced from the second container by the cold water into the first container thereby to expel heated water from the first container.
  • the method may include the step of connecting an upper end of the first container in an air-tight manner to an upper end of the second container.
  • the method may further include the step of causing warm water which has been discharged from the first container to be pushed back into the first container.
  • cold water means water which is at a temperature which is lower than a temperature of the "warm water”.
  • the "cold water” may be sourced from a cold, warm or heated water supply.
  • Figure 1 is a schematic representation of a system, according to the invention, for heating water;
  • Figure 2 is a schematic representation of components of a container.
  • Figure 3 is a schematic representation of various stages in a variation of the invention in which warm water is progressively drawn from a group of containers;
  • Figure 4 is a cross-sectional side view of a manifold;
  • Figure 5 is a schematic representation of a variation of the container;
  • Figure 6 is a perspective view, partly sectioned, of a floating member;
  • Figure 7 is a schematic representation of a further variation of the system in which warm water is pushed back into the one of the containers.
  • FIG. 1 and 2 of the accompanying representations illustrate a system 10 for heating water in accordance with the principles of the invention.
  • the system includes a first container or tank 12 and a second container or tank 14 which are connected to a manifold 16.
  • the manifold selectively connects an inlet port 18 of each tank to a pressurised source 20 of cold water and an outlet port 22 of each container to a distribution network 24 from which a user 26 can draw warm water.
  • Each tank has a heating element 28 contained in a lower part 30 of each tank and a drain valve, not shown, of known construction which is not connected to the distribution network and with which the respective container can be selectively drained of its contents when required.
  • each tank is connected in an air-tight manner to a conduit 34.
  • a control unit 36 is connected, using any suitable technique known in the art, to the manifold 16 and to the electrical components of the tanks 12 and 14 and is used to regulate the respective operations of the manifold and of the electrical components.
  • the components used in the system 10 are substantially conventional and, apart from the manifold 16, are not further described herein.
  • the materials used in the manufacture of the components are suitably chosen from materials which reduce heat loss from the system.
  • the tanks 12 and 14 can be any suitable shape in order to present the smallest surface area to the environment, for a given volume, so that heat loss is reduced.
  • the manifold 16 includes an inlet unit 16A and an outlet unit 16B.
  • the inlet unit connects the water source 20 to the inlet port 18 of each tank and the outlet unit connects the outlet port 22 of each tank to the distribution network 24.
  • Figure 4 shows the construction of a distributor component 38 of the inlet unit 16A.
  • the inlet and outlet units 16A and 16B are substantially identical and for this reason only the construction of the inlet unit is described in greater detail hereinafter.
  • the inlet and outlet units operate in tandem.
  • the distributor component 38 includes an inner cylinder 40 which is rotatably mounted, in an axial sense, inside a chamber 42 of an outer cylinder 44.
  • the chamber is of complementary shape to the inner cylinder and is fitted into the outer cylinder so that a seal is created between closely opposing surfaces of the cylinders.
  • a suitable gear and motor assembly is used to sealingly rotate the inner cylinder inside the chamber, as required, under the control of the control unit 36.
  • the inner cylinder 40 has a primary channel 46 and the outer cylinder 44 has two secondary channels 48A and 48B respectively.
  • the primary channel can be selectively registered with any selected secondary channel.
  • the number of secondary channels contained in the outer cylinder can be varied depending on requirement, for example one secondary channel for each inlet of each tank used in the system 10, and is merely illustrative, not limiting.
  • the inner cylinder 40 is connected, using techniques known in the art, to the water source 20 and the secondary channels 48A and 48B are attached to the inlet port 18 of each tank.
  • the inner cylinder is attached to the distribution network 24 and the secondary channels 48A and 48B are attached to the outlet port 22 of each tank. No flow of water is possible between the secondary channels of the outer cylinder 44.
  • FIG. 2 shows the system 10 once installed.
  • the second tank 14 is shown to be filled with water but initially both tanks and the conduit 34 will be filled only with a gas or air 50 which has been sourced from atmosphere.
  • the respective inlet ports 18 of the tanks 12 and 14 have been connected to the inlet unit 16A, which have been connected to the water source 20, and the respective outlet ports 22 have been connected to the outlet unit 16B which have been connected to the distribution network 24.
  • An air valve 52 of known construction is associated using known techniques with the conduit 34 so that air can be allowed, in a controlled manner, to be introduced into or allowed to escape from the system.
  • the valve is electrically operated and is connected to and controlled by the control unit 36.
  • the volume of gas 52 in the system consisting of a mixture of air and water vapour, is used to communicate the pressure of the water from the source 20, at least partly, to the respective tank from which warm water is being discharged.
  • the volume of the warm gas has been reduced to a predetermined size and is positioned between the volume of pressurized water which has entered the respective tank 12 and the volume of warm water in the respective tank 14.
  • the gas is at the same pressure as the water from the source.
  • the water will flow into the respective tank 12 whereby the volume of gas is compressed to a minimum size at which instant the influx of cold water into the respective tank stops.
  • the system 10 should be setup initially so that as much air as is possible is contained inside the system.
  • tanks12 and 14 is filled with air which has been sourced i from atmosphere.
  • the system is now ready for the start of the first cycle in which the first tank of warm water is produced.
  • Water is introduced into the first tank 14 to fill the tank to a predetermined level.
  • the water in the respective tank 14 is allowed to heat up to the predetermined storage temperature while the air mixes with the water vapour to form a gas.
  • the pressure of the gas 50 is
  • the size of the volume of gas is hereby reduced to a predetermined value which, as is indicated hereinabove.
  • the charge tank 12 and the discharge tank 14 contain a number of sensors 54 which are monitored by the control unit 36 using conventional techniques.
  • a first sensor 54A is used in each respective tank to sense when the water level in the respective tank has reached a
  • a second sensor 54B is used to sense when the water levels in the respective tank 12 and 14 have dropped to a predetermined minimum level when the tank is being drained
  • the size of the volume of gas varies during operation in accordance to the change in temperature which effects the pressure inside the system. This causes that either the maximum or the minimum water level in the respective
  • 0 charge tank 12 or the discharge tank 14 may be reached first.
  • the sensor 54A is activated and the control unit causes a realignment of the inlet ports 18 in the inlet manifold 16A whereby the inlet port 18 of the respective charge tank 12 is disconnected from the water source 20 and the respective inlet port 18 of the discharge tank 14 !5 is connected to the water source 20.
  • the inlet manifold 16A and the outlet manifold 16B operate in tandem the ports in the outlet manifold 16B are realigned simultaneously.
  • the respective outlet port 22 of the respective discharge tank 14 is disconnected from the warm water distribution network while the respective outlet port 22 of the charge tank 12 is connected to the network.
  • a third sensor 54C is used to determine the temperature of the water at the bottom of the respective tank 12 and 14 so that the water temperature is kept substantially in a predetermined range through the operation of the respective heating element 28A by the control unit 36.
  • a fourth sensor 54 D is used to determine the boosting of the heating of cold-water entering the charge tank through the operation of the respective water heating element 28B to a level close to the storage temperature
  • the control unit 36 allows the second tank 14 to fill with water drawn from the water source.
  • the pressure of the air 50 initially contained in the respective first and second tanks 12 and 14 are atmospheric which allows the second tank to be filled relatively easily.
  • the air displaced from the second tank is transferred to the first tank via the conduit 34. This increases the pressure of the air in the first tank and as a result in the system.
  • Energy is also transferred from the water being heated in the second tank to the air in the system (contained in the conduit and in the first tank). This further increases the pressure of the air in the system.
  • the control unit 36 causes the inlet port 18 of the second tank 14 to be connected to the water source 20 via the inlet unit 16A and the outlet port 22 of the first tank 12 to be connected to the outlet unit 16B.
  • the respective heating element 28B in the respective tank 12 is energized.
  • the inlet port of the first tank 14 is closed and the outlet port of the second tank 12 also closes.
  • the control unit causes the respective inlet port 18 of the second tank to be disconnected from the water source while the respective outlet port.22 in the first tank closes.
  • the inlet port 18 of the first tank opens and the outlet port 22 of the second tank also opens.
  • the control unit is programmed to monitor the respective sensors 54A and 54B and to align the manifold so that at any given time only one port 18 is connected to the water source.
  • the control unit causes the inlet port 18 of the first tank 12 to be connected to the water source 20. Some water will flow into this tank due to the lower pressure of the air 52 in the system. However, the influx of water into the tank causes the pressure of the air to increase up to a level at which pressure of the air substantially is equal to the pressure of the water from the source. At this point no further water will flow into the first tank.
  • the system 10 operates in cycles. In each cycle subsequent to the first cycle only one tank will be connected to the water source and only one tank will be connected to the distribution network 24.
  • the control unit 36 causes the inlet port 18 , for example, the first tank 12 to be connected to the water source 20 via the inlet unit 16A and the outlet port 22 of the second tank 14 to be connected to the distribution network 24 via the outlet unit 16B.
  • the flow of water from the outlet port of first tank is prevented by the outlet unit 16B and similarly the flow of water into the inlet port 18 of the second tank is prevented by the inlet unit 16A.
  • the flow of water out of the distribution network 24 causes a pressure drop in the second tank 14 which is communicated via the conduit 34 to the i first tank 12. This drop in air pressure inside the first tank allows cold water to flow from the water source 20 into the first tank.
  • the sensor 54A indicates to the control unit 36 when the influx of water into the first tank has reached the predetermined maximum level which results in the disconnecting of the respective inlet 18 from the water source.
  • the control unit 36 monitors the water level in the second tank 14 through the second sensor 54B until the water level has
  • the control unit now realigns the respective inner cylinders 36 of the inlet and outlet units 16A and 16B so that the inlet port 18 of the second tank is connected to the water source 20 and the outlet port 22 of the water filled first tank is connected to the distribution network 24.
  • the sensor 54D is activated causing heating element 28B in the second tank to be activated so as to start heating the cold water contained in the second tank to a level just lower than storage temperature.
  • the sensor 54C is used to communicate this water temperature to the control unit 32 which in response thereto will control the operation of the heating element 28A which determines the level of heating up to the storage temperature.
  • FIG. 3 represents a variation of the invention wherein four tanks 58, 60, 62, and 64 are used in a heating system 10A.
  • the system 10A is constructed using the same components and techniques as in system 10. However the respective outer cylinders 44 of the inlet and outlet units 16A and 16B are suitably adapted so that each cylinder has four secondary channels 48 to allow the inlet and outlet ports 18 and 22 of each tank to be connected to the manifold 16.
  • the tanks 58, 60, 62, and 64 form a group in the system 10A with one of the tanks being filled with air, in this example tank 58, and the remainder of the tanks with water.
  • the water in the tanks can be heated progressively under the control of the control unit 36.
  • the control unit is programmed selectively to drain all the warm water from the tanks, e.g. first the tank 60, then the tank 62 and thereafter the tank 64, in a cycle.
  • the tanks 58 to 64 are sequentially filled with air from the system 10A under the control of the control unit 36.
  • the tank 58 is filled with air and at least one of the tanks 60, 62 and 64 is filled with water.
  • the control unit linked the inlet port 18 of the tank 58 to the water source 20 and the outlet port 22 of the tank 60 to the distribution network 24.
  • the remaining inlet and outlet ports of each tank are closed though the manifold.
  • the tank 60 is allowed to drain to a predetermined minimum level and the tank 58 is allowed to fill to a predetermined maximum level.
  • the control unit 36 now switches the manifold 16 after the tank 60 has been drained and connects the inlet port 18 of the tank 60 to the water source 20 and the outlet port 22 of the tank 62 to the distribution network 24. The remaining ports are closed through the manifold.
  • the control unit also activates the heating element of the tank 58 so that the cold water in the tank is heated.
  • the control unit switches the manifold so that the recently drained tank 62 can be filled with cold water from the water source 20 and the warm water contained in the tank 64 is connected to the distribution network 24.
  • the control unit 36 is finished and a new cycle is started by the control unit 36.
  • the heating element 28A can be used together with a booster element 28B in each tank.
  • the two elements 28A may be energized simultaneously in each tank, but the two booster elements 28B are energized non-simultaneously. They are only used to heat up rapidly when an 0 empty charge tank is being filled with cold water.
  • FIG. 5 shows a variation of the tanks 12 and 14. Like reference numerals are used to indicate similar components.
  • the heating elements 28A and 28B of a tank 66 is positioned in a receptacle 68 which is located inside the tank.
  • An inlet port 70 is positioned so that the water supplied to the tank is fed to the receptacle which has a discharge point 72 which is higher than 5 the heating element 28 so that when the tank is drained of its warm water by the floating outlet, the heating element is still covered by water retained in the receptacle.
  • the receptacle should be situated in a lower part of the container.
  • the control unit 36 is programmable using known techniques. It is therefore possible to program the control unit, for example, to reheat the water contained in a tank to a -0 predetermined temperature during predetermined intervals, or to maintain the temperature of the water contained in a tank between a predetermined temperature range and to increase the temperature of the water contained in a selected tank or of each tank to an elevated operating temperature only when water is drawn by a user through the distribution network 24.
  • control unit 14 examples are merely illustrative, not limiting, and are given to show different ways in which the control unit can be programmed.
  • a suitable casing 74 can be used to increase the heat efficiency of each tank further.
  • a suitable thermal insulating material can be used inside the casing to enclose a respective tank.
  • the casing can also be used to enclose more than one tank and is suitable dimensioned so that the manifold and the airtight connector are housed together with the tanks inside the casing so that any possible heat losses from the enclosed system are thereby minimised.
  • Such a casing may typically only have three connector ports, i.e. a first port which leads to the inlet unit and which is connected to the water source, a second port which leads from the outlet unit and which is connected to the distribution network, and a third port which allows the control unit to be electrically connected to the tanks and manifold. Enclosing the tanks and manifold of the system may improve the overall appearance of the system and may reduce the time required to install the system.
  • a wall of each container can also be double layered with a vacuum between the layers to increase the heat efficiency of each tank further.
  • the systems 10 and 10A can also be incorporated into an existing geyser system installed in, for example, a house, not shown.
  • the system can be used to produce warm water which is fed into the geyser.
  • the geyser is then used as a storage container from which warm water is drawn by a user.
  • FIG. 6 shows a variation 80 of the outlet port 22.
  • the outlet port has a flange, not shown, to which a corresponding flange of the manifold 16, which leads to the outlet unit 16A, is connected using techniques known in the art. These conventional components of the outlet port have been removed to simplify the drawing.
  • the variation includes an elongate, flexible member 82 which extends through a longitudinally extending passage of the inlet port which extends from an inner volume 84 of the tank 86 to an outer side of the tank.
  • a first end 88 of the member has a flange 90 which is suitable dimensioned so that this flange is locatable between the respective flanges of the inlet port and of the manifold before these two flanges are secured to each other in a conventional manner.
  • An opposed second end 92 is secured to a buoyant member 94 which is suitable shaped so that it can pass through the passage of the inlet port with a tight fit into the inner volume.
  • the buoyant member is manufactured from any suitable material which will allow the member to float on any water inside the tank 86. Any suitable technique can be used to secure the second end 92 to the member.
  • a harness 96 is secured to the member and which includes a clip 98 which is pivotally attached to the harness.
  • the second end 92 has a ) sleeve 100 which allows the clip to be secured to the second end.
  • the second end can pivot relative to the member and is shaped so that a mouth 102 thereof points substantially towards a lower side 104 of the tank.
  • the outlet port is positioned at an upper end 108 of the tank.
  • FIG. 7 shows a variation 10B of the system.
  • the warm water distribution network 24 guides warm water from the respective tanks 12 to one or more delivery points 110.
  • the distribution network includes a single pipe 112 which leads from the outlet unit 16B to a first junction point 114 which is situated in the closest proximity to the delivery points at which point
  • the single pipe is split into a plurality of pipes which lead to the respective delivery points.
  • the single pipe may run the full length to the most removed delivery point with other delivery points located at branches on both sides of the pipe 112.
  • a second distribution network 116 supplies cold water to the delivery points 126 from the mains.
  • the connector pipe 120 establish a water connectivity 118 between a pipes of distribution networks 24 and 116 at a point from where the maximum volume of warm water can be pushed backwards in the pipe from all the delivery points.
  • a valve 118 is installed in a known manner in a connector pipe 120 which joins the distribution networks 24 and 116 to each other.
  • the operation of the valve is controlled by a motion sensor 124 located in pipe 112 in close proximity to the outlet unit.
  • the motion sensor communicates with the control unit 36.
  • a heat sensor 122 is connected to pipe 112 at the position where warm water exits the outlet unit 16B.
  • the sensor is attached to the control unit in a conventional way.
  • the flow rate of the pressurized water from the cold water network 116 via the connector pipe 112 into the warm water pipe 112 is reduced.
  • the warm water is pushed backwards via the outlet unit 14B into the discharge tank 14.
  • the control unit which causes the valve 118 in the connector pipe to close .whereby the flow of cold water is stopped between the two distribution networks 24 and 116.
  • the motion sensor 124 communicates to the control unit 36 when water is being drawn from one of the delivery points 110.
  • the manifold 16 can include a secondary channel 48 which is connected to a pipe, not shown, which leads to a location such as a drain to which the respective contents of each tank 12 and 14 can be drained.
  • the manifold is configured so that no port 18 and 22 is either connected to the source 20 or to the distribution network 24.
  • the valve 52 is then opened so that the tanks are vented and filled with air from atmosphere. After a predetermined amount of time has lapsed, the first cycle is commenced.
  • the invention provides a system wherein heat loss from warm water contained in a tank is reduced since cold water introduced into the system is not mixed with the warm water while it is being discharged. Instead a charge tank is filled with cold water only after the discharge tank has been substantially emptied by draining the warm water content of the tank up to a predetermined minimum level. This increases the amount of warm water that can be drawn from the system and reduces heat loss from the system..
  • the entering cold water and the stored warm water to be discharged are kept in two separate tanks in the system.
  • the tanks used in the system are also modular in construction so that the capacity of the heating system can be increased as required or defective modules can be isolated by the control unit ' or replaced by a user.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Cookers (AREA)
  • Commercial Cooking Devices (AREA)
  • Thermally Insulated Containers For Foods (AREA)

Abstract

Cette invention prévoit un système de chauffage de l'eau qui comprend un premier réservoir et un second réservoir, un raccord étanche à l'air entre les extrémités supérieures du premier et du second réservoir, chaque réservoir comprenant un élément de chauffage de l'eau respectif, et un orifice d'évacuation de l'eau et un orifice d'alimentation en eau, un collecteur qui est relié aux orifices d'alimentation et d'évacuation respectifs de chaque réservoir et qui relie, de manière contrôlée, l'orifice d'alimentation respectif de chaque réservoir à une source pressurisée d'eau froide, et chaque réservoir, au moins dans un volume supérieur respectif de celui-ci, et dans le raccord étanche à l'air, contenant un gaz, et moyennant quoi l'eau froide qui est introduite dans le premier réservoir via le collecteur déplace le gaz via le raccord étanche à l'air entre le premier réservoir et le second réservoir afin d'expulser l'eau chaude du second réservoir par le biais de l'orifice d'évacuation respectif.
EP08799582A 2007-07-06 2008-07-07 Système et procédé de chauffage de l'eau Withdrawn EP2171364A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200705685 2007-07-06
PCT/ZA2008/000059 WO2009009804A2 (fr) 2007-07-06 2008-07-07 Système et procédé de chauffage de l'eau

Publications (1)

Publication Number Publication Date
EP2171364A2 true EP2171364A2 (fr) 2010-04-07

Family

ID=39745647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08799582A Withdrawn EP2171364A2 (fr) 2007-07-06 2008-07-07 Système et procédé de chauffage de l'eau

Country Status (7)

Country Link
US (1) US8355625B2 (fr)
EP (1) EP2171364A2 (fr)
CN (1) CN101743447B (fr)
AU (1) AU2008274915B2 (fr)
CA (1) CA2692788A1 (fr)
WO (1) WO2009009804A2 (fr)
ZA (1) ZA200908974B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3008632B1 (fr) * 2013-07-19 2015-07-24 Prodose Dispositif de nettoyage des canalisations du reseau d'eau potable d'un aeronef
WO2016075676A1 (fr) * 2014-11-12 2016-05-19 Rea David Patrick Collecteur, bac tampon comprenant le collecteur et procédé pour faire fonctionner un système d'échange de chaleur
EP3210667A1 (fr) * 2016-02-29 2017-08-30 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Dispositif à écoulement modulaire continu
WO2018136689A1 (fr) * 2017-01-20 2018-07-26 Bunn-O-Matic Corporation Chauffe-eau à la demande à réponse instantanée
IT202200004526A1 (it) * 2022-03-09 2023-09-09 Irc S R L Scaldabagno elettrico

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB106683A (fr) *
US937776A (en) * 1909-01-23 1909-10-26 Austin C Dunham Apparatus for heating water.
US1101243A (en) * 1913-01-27 1914-06-23 George Gilbert Bell Method of and means for heating water and other mediums or fluids.
US2237808A (en) * 1939-09-07 1941-04-08 Edison General Elec Appliance Water heater and control therefor
US2427150A (en) * 1944-11-13 1947-09-09 Mccann Gordon Water heating and steam generating unit
US2823649A (en) * 1954-11-30 1958-02-18 Elwin E Flynn Dual tank water heater
US4416222A (en) * 1981-05-05 1983-11-22 Bradford-White Corportion Hot water heater circuitry
CN2145951Y (zh) * 1992-05-28 1993-11-10 金奕新 能连续供给开水的装置
GB9220008D0 (en) * 1992-09-22 1992-11-04 Gledhill Water Storage Improvements relating to water heating systems
US5898818A (en) * 1997-09-09 1999-04-27 Chen; Chun-Liang Water feed system at constant temperature keeping the hot water from mixing with the cold water fed during use of the hot water in a single tank
CN1243933A (zh) * 1998-08-04 2000-02-09 陈俊良 自动加注冷水而不与热水相混之热水装置给水系统
US6292628B1 (en) * 2000-01-19 2001-09-18 Majid Z. Khalaf Steady-temperature water heater and enema device
CN2435689Y (zh) * 2000-06-22 2001-06-20 江门市粤迪有限公司 隔离式全自动纯开水器
US6904238B2 (en) * 2002-10-09 2005-06-07 Agilent Technologies, Inc. System and method for measuring polarization dependent gain of an optical amplifier
US20040079749A1 (en) * 2002-10-28 2004-04-29 Young Randy S. Multi-tank water heater
US7672576B2 (en) * 2006-05-10 2010-03-02 Ilan Grossbach Water dispenser with sabbath function

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009009804A2 *

Also Published As

Publication number Publication date
WO2009009804A3 (fr) 2009-06-04
CN101743447B (zh) 2013-11-27
WO2009009804A2 (fr) 2009-01-15
US8355625B2 (en) 2013-01-15
CA2692788A1 (fr) 2009-01-15
AU2008274915B2 (en) 2010-11-11
AU2008274915A1 (en) 2009-01-15
ZA200908974B (en) 2010-08-25
CN101743447A (zh) 2010-06-16
US20100329651A1 (en) 2010-12-30

Similar Documents

Publication Publication Date Title
AU2008274915B2 (en) A system for and a method of heating water
US10099234B2 (en) Portable fluid dispensing system
US20100034528A1 (en) Water heating apparatus and system
CA2254738A1 (fr) Dispositif de mise en pression pour reservoir cryogenique
CN104781617A (zh) 存储式煮器
US9004458B2 (en) Valve for dispensing water and air in installations that spray water under pressure
US3724426A (en) Hydrothermal liquefied petroleum gas vaporization system
CN105078236B (zh) 一种用于饮料酿造的装置以及酿造机
CN202048371U (zh) 流体供应系统或设备中流体的排空利用装置及包含该装置的系统或设备
CA2308976A1 (fr) Dispositif de regulation de la pression pour un reservoir cryogenique et equipement pour distribuer le fluide correspondant
CN202511373U (zh) 一种多水箱串联水分配系统
US20200240649A1 (en) Method for constructing a water circulation device and scale removal device
CN203852210U (zh) 一种用于饮料酿造的装置以及酿造机
CN107466220A (zh) 加热装置
CN218582852U (zh) 一种手动黄油枪快速添加黄油装置
CN1601199A (zh) 一种容积式热水器并联水箱
CN2419545Y (zh) 水管排空式太阳能热水器
CN209145565U (zh) 丛式井组油井套管加药热洗装置
CN2767906Y (zh) 一种多户太阳能热水器
CN104930719A (zh) 自动控压及保温式太阳能热水器
CN112205863A (zh) 一种加水机构及含有该机构的水壶
US373400A (en) hamilton
CN2656881Y (zh) 一种容积式热水器并联水箱
RU2043564C1 (ru) Парокотельная установка
JPH0814662A (ja) 即熱多管式電気温水器およびその増量方法

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20100118

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130201